hemodilution
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Select elective surgery in elderly patients, ASA grade I to II, surgery longer than 2 hours, male or female, older than 55 years old. Expected blood loss >600ml. Preoperative hemoglobin (Hb)=110g/L, hematocrit (Hct)=35%, platelet (PLT) count=100×10^9/L.
Exclusion criteria
Exclusion criteria: Suffering from cancer, preoperative coagulation abnormalities associated with cerebrovascular disease, preoperative presence of deep vein thrombosis, liver and lungs and other vital organs determined system dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| central venous pressure;Cardiac index;cardiac output;PVPI;GEDV;ITBVI;EVLW;SVV;SV;dP/dtm;SVR;COP;PH;Hb;Hct;PaO2;PaCO2;SaO2;PvO2;SvO2;MMSE;PIP;Pplat;PRA; | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood pressure;Heart rate;Blood loss;Blood transfusion;Operation time;Liquid input; | — |
Countries
China
Contacts
Department of Anesthesiology, Gongli Hospital of shanghai Pudong New District